CN2350919Y - Electric generator - Google Patents
Electric generator Download PDFInfo
- Publication number
- CN2350919Y CN2350919Y CN 98229919 CN98229919U CN2350919Y CN 2350919 Y CN2350919 Y CN 2350919Y CN 98229919 CN98229919 CN 98229919 CN 98229919 U CN98229919 U CN 98229919U CN 2350919 Y CN2350919 Y CN 2350919Y
- Authority
- CN
- China
- Prior art keywords
- groove
- rotor
- coil windings
- electromagnet
- grooves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model relates to a middle rotating electric generator, comprising a shell, an outer layer stator and a rotor. The utility model is characterized in that a fixed shaft which is arranged on a center stator is fixed on the shell through a fastening screw and a fixed bracket; the center stator is provided with a permanent magnet; a rotor is connected with the fixed shaft through a bearing; a power input shaft connected with the shell through a supporting bearing is connected with a shaft sleeve to be fixedly connected with the rotor; the inner side of the rotor is provided with an embedding slot which is embedded in a coil winding; an electromagnet is arranged at the outer side of the rotor; the coil winding and the electromagnet are connected in series. The utility model has the advantages of simple structure, stable operation, long service life, high output efficiency, etc.
Description
The utility model relates to a kind of generator, particularly a kind of generator of center roller rotation.
Existing generator is general main to be made of casing, stator, rotor, magnetizing coil, slip ring, brush, also useful semiconductor rectifier circuit replaces the generator of above-mentioned slip ring and brush, the required a kind of mode of excitatory magnetic field of this class generator for electricity generation is to form for the magnetizing coil transmission of electric energy by the DC power supply of outside through brush and slip ring, and another kind of mode is to form for magnetizing coil by the triple-frequency harmonics of generator self output through the semiconductor rectifier circuit.In the power generation process, owing to vibration between slip ring and the brush produces sparkover, burn out slip ring surface and brush, cause slip ring and brush loose contact easily and influence the normal operation of generator, lack useful life, this certainly will often do maintaining to generator; For the generator that replaces slip ring and brush with the semiconductor rectifier circuit, loss part electric energy has been reduced the delivery efficiency of generator owing to the semiconductor rectifier circuit.
The purpose of this utility model provide a kind of simple in structure, stable and long service life in rotating generator.
The purpose of this utility model is to realize by such technical scheme, it includes housing, the outer stator of band transmission of electricity coil and the rotor of belt coil winding, it is characterized in that: the fixed axis that is arranged on the central stator is fixed on the housing by holding screw and fixed mount, central stator is provided with permanent magnet, rotor links to each other with fixed axis by bearing, affixed by the power input shaft that bearing links to each other with housing by connecting bushing and rotor, the rotor inboard is provided with the line embedding groove that embeds coil windings, electromagnet is arranged on the rotor outside, and coil windings is connected in series with the electromagnetism iron phase.
Operation principle of the present utility model is such: external power drives the rotor rotation by power input shaft, permanent magnet on the coil windings cutting central stator of rotor forms the magnetic line of force in magnetic field, produce induced electromotive force, the closed-loop path that coils winding and electromagnet are formed forms induced current, electromagnet forms magnetic field at its surrounding space, rotor rotated drives this magnetic field and rotates, the magnetic line of force of transmission of electricity coil 2 these rotary magnetic fields of cutting, cause the transmission of electricity coil of outer stator to produce induced electromotive force, alternating current can outwards be provided.
Owing to adopted technique scheme, the utlity model has following advantage:
1. simple in structure, easily manufactured;
2. owing to there are not devices such as brush, slip ring, cause generator operation stable, the phenomenon of no-spark discharge, long service life has prolonged maintenance cycle greatly;
3. owing to there is not the energy dissipation device of semiconductor rectifier circuit etc., make generator powered efficient height, power output is big.
Description of drawings of the present utility model is as follows:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an A-A cutaway view among Fig. 1;
Fig. 3 is the schematic diagram that coil windings, electromagnet and current-limiting inductor are connected;
Fig. 4 is the line map that coil windings, electromagnet and current-limiting inductor are connected.
Among the figure: 1. housing; 2. transmission of electricity coil; 3. outer stator; 4. coil windings; 5. rotor; 6. central stator; 7. fixed axis; 8. holding screw; 9. fixed mount; 10. permanent magnet; 11. bearing; 12. spring bearing; 13. power input shaft; 14. connecting bushing; 15. line embedding groove; 16. electromagnet; 17. current-limiting inductor; 18. cavity.
The utility model is described in further detail below in conjunction with drawings and Examples:
As Fig. 1, shown in 2, the utility model housing 1, the outer stator 3 of band transmission of electricity coil 2 and the rotor 5 of belt coil winding 4, it is characterized in that: the fixed axis 7 that is arranged on the central stator 6 is fixed on the housing 3 by holding screw 8 and fixed mount 9, central stator 6 is provided with permanent magnet 10, rotor 5 links to each other with fixed axis 7 by bearing 11, affixed by the power input shaft 13 that spring bearing 12 links to each other with housing 1 by connecting bushing 14 and rotor 5, rotor 5 inboards are provided with the line embedding groove 15 that embeds coil windings 4, electromagnet 16 is arranged on rotor 5 outsides, and coil windings 4 is connected in series mutually with electromagnet 16.
Operation principle of the present utility model is such: external power drives rotor 5 rotations by power input shaft 13, permanent magnet 10 on the coil windings 4 cutting central stator 6 of rotor 5 forms the magnetic line of force in magnetic field, produce induced electromotive force, the closed-loop path that coils winding 4 and electromagnet 16 are formed forms induced current, electromagnet 16 forms magnetic field at its surrounding space, rotor rotated 5 drives this magnetic field and rotates, the magnetic line of force of transmission of electricity coil 2 these rotary magnetic fields of cutting, cause the transmission of electricity coil 2 of outer stator 3 to produce induced electromotive force, alternating current can outwards be provided.
In order to make coil windings 4 cutting magnetic line equably, permanent magnet 10 axially is arranged on the outer surface of central stator 6 equably along central stator 6.
First group of coil windings 4 is respectively around between first groove and the 5th groove, between the tenth three-flute and the 17 groove and between the 25 groove and 29 grooves;
Second group of coil windings 4 is respectively around between the 7th groove and the 11 groove, between the 19 groove and the 20 three-flute and between the 31 groove and 35 grooves;
The 3rd group of coil windings 4 is respectively around between the 9th groove and the 12 groove, between the 21 groove and the 24 groove and between the 30 three-flute and 36 grooves;
The 4th group of coil windings 4 is respectively around between the 15 groove and the 18 groove, between the 27 groove and the 30 groove and between three-flute and six grooves;
The 5th group of coil windings 4 is respectively around between the 22 groove and the 26 groove, between the 34 groove and second groove and between the tenth groove and 14 grooves;
The 6th group of coil windings 4 is respectively around between the 28 groove and the 32 groove, between the 4th groove and the 8th groove and between the 16 groove and 20 grooves.
In order to prevent that the loop that electromagnet 16 and coil windings 4 are formed from burning out because of electric current is excessive, size with electric current in current-limiting inductor 17 control loops, the cavity 18 of placing current-limiting inductor 17 respectively is arranged on rotor 5 outsides with electromagnet 16, and coil windings 4 is connected in series mutually with current-limiting inductor 17, electromagnet 16.
Claims (5)
1. rotating generator in a kind, include housing (1), the outer stator (3) of band transmission of electricity coil (2) and the rotor (5) of belt coil winding (4), it is characterized in that: the fixed axis (7) that is arranged on the central stator (6) is fixed on (3) on the housing by holding screw (8) and fixed mount (9), central stator (6) is provided with permanent magnet (10), rotor (5) links to each other with fixed axis (7) by bearing (11), affixed by the power input shaft (13) that spring bearing (12) links to each other with housing (1) by connecting bushing (14) and rotor (5), rotor (5) inboard is provided with the line embedding groove (15) that embeds coil windings (4), electromagnet (16) is arranged on rotor (5) outside, and coil windings (4) is connected in series mutually with electromagnet (16).
2. rotating generator in as claimed in claim 1 is characterized in that: permanent magnet (10) axially is arranged on the outer surface of central stator (6) equably along central stator (6).
3. rotating generator in as claimed in claim 1 is characterized in that: rotor (5) inboard is evenly distributed with 36 line embedding grooves (15), and six groups of coil windings (4) embed line embedding groove (15) respectively, and its embedded mode is:
First group of coil windings (4) is respectively around between first groove and the 5th groove, between the tenth three-flute and the 17 groove and between the 25 groove and 29 grooves;
Second group of coil windings (4) is respectively around between the 7th groove and the 11 groove, between the 19 groove and the 20 three-flute and between the 31 groove and 35 grooves;
The 3rd group of coil windings (4) is respectively around between the 9th groove and the 12 groove, between the 21 groove and the 24 groove and between the 30 three-flute and 36 grooves;
The 4th group of coil windings (4) is respectively around between the 15 groove and the 18 groove, between the 27 groove and the 30 groove and between three-flute and six grooves;
The 5th group of coil windings (4) is respectively around between the 22 groove and the 26 groove, between the 34 groove and second groove and between the tenth groove and 14 grooves;
The 6th group of coil windings (4) is respectively around between the 28 groove and the 32 groove, between the 4th groove and the 8th groove and between the 16 groove and 20 grooves.
4. rotating generator in as claimed in claim 3 is characterized in that: electromagnet (16) is six, is connected in series mutually with one group of coil windings (4) respectively.
5. rotating generator in as claimed in claim 4, it is characterized in that: the cavity (18) of placing current-limiting inductor (17) respectively is arranged on rotor (5) outside with electromagnet (16), and coil windings (4) is connected in series mutually with current-limiting inductor (17), electromagnet (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98229919 CN2350919Y (en) | 1998-11-16 | 1998-11-16 | Electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98229919 CN2350919Y (en) | 1998-11-16 | 1998-11-16 | Electric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2350919Y true CN2350919Y (en) | 1999-11-24 |
Family
ID=33979713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98229919 Expired - Fee Related CN2350919Y (en) | 1998-11-16 | 1998-11-16 | Electric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2350919Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566136A (en) * | 2018-01-23 | 2018-09-21 | 华中科技大学 | A kind of magneto winding circuit and its control method |
-
1998
- 1998-11-16 CN CN 98229919 patent/CN2350919Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566136A (en) * | 2018-01-23 | 2018-09-21 | 华中科技大学 | A kind of magneto winding circuit and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |